NAME¶

freefare_strerror, freefare_strerror_r, freefare_perror, mifare_desfire_last_picc_error — Error Reporting Functions.

LIBRARY¶

Mifare card manipulation library (libfreefare, -lfreefare)

SYNOPSIS¶

#include <freefare.h>

const char *
freefare_strerror(MifareTag tag);

int
freefare_strerror_r(MifareTag tag, char *buffer, size_t len);

void
freefare_strerror(MifareTag tag, char *string);

uint8_t
mifare_desfire_last_pcd_error(MifareTag tag);

uint8_t
mifare_desfire_last_picc_error(MifareTag tag);

DESCRIPTION¶

The freefare_strerror() functions returns the error string corresponding to the last PCD or PICC error encounred using tag.

The freefare_strerror_r() functions does the same as freefare_strerror() but the error message is copied into buffer for a maximum size of len chars.

The freefare_strerror() function displays the last PCD or PICC error encounred using tag to stderr.

The mifare_desfire_last_pcd_error() function returns the error code of the last function call from the library.

The mifare_desfire_last_picc_error() function returns the error code returned by the last command run on tag.

RETURN VALUES¶

freefare_strerror() returns the error message, freefare_strerror_r() returns 0 on success, -1 on failure; mifare_desfire_last_pcd_error() and mifare_desfire_last_picc_error() return an error code or 0 if no error occured or if tag is not a Mifare DESFire target.

SEE ALSO¶

freefare(3),

AUTHORS¶

Romain Tartiere ⟨romain@il4p.org⟩